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| 型号： | MA180022 |
| 厂商： | Microchip Technology |
| 文件页数： | 17/66页 |
| 文件大小： | 0K |
| 描述： | MODULE PLUG-IN PICDEM LCD2 85J90 |
| 产品培训模块： | PIC18 J Series MCU Overview |
| 标准包装： | 1 |
| 系列： | PIC® |
| 附件类型： | 插拔式模块（PIM）- PIC18F46J12 |
| 适用于相关产品： | PICDEM LCD 2 个演示板（DM163030） |
| 产品目录页面： | 658 (CN2011-ZH PDF) |
| 配用： | DM163030-ND - KIT DEV PICDEM LCD2 |
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PICDEM? LCD 2 DEMONSTRATION
KIT USER ’S GUIDE
Chapter 3. Using the Demo Software
The demo programs are preprogrammed into the sample devices. Also, this program
is included on the CD-ROM program disk for user reference. This demo program uses
the functions or macros provided by the firmware LCD driver module to display the
required characters, strings or icons on the LCD.
3.1
DEMO FIRMWARE OPERATION
The demo firmware is made up of four components, which are individually displayed on
the LCD. The PIC microcontroller’s internal RC oscillator is used as the system clock
source.
1. Voltmeter (F1)
This mode uses the A/D module to measure the voltage of the R44 pot through
analog channel AN0, and displays a voltage between 0.00V and 3.30V on the
LCD using the LCD module. Voltage is continually updated until the mode is
exited by pressing either the S1 or S2 switch.
2. Thermometer (F2)
This mode uses the A/D module to measure the voltage of the thermistor R11
through analog channel AN1, and converts to temperature both in Celsius and
Fahrenheit and displays the temperature on the LCD using the LCD module.
Temperature is continually updated until the mode is exited by pressing either
the S1 or S2 switch.
3. Clock (F3) (1)
This mode uses the Timer1 module and a 32 kHz clock crystal. Once this mode
is entered from the main menu, the Real-Time Clock will start counting from
00:00:00. The S3 switch is used to increment minutes and the S4 switch is used
to increment hours. To perform the increment operations, press and hold the
switches. The clock keeps running continuously until the mode is exited by
pressing either the S1 or S2 switch.
4. Charge Pump and Software Contrast (F4) (1)
This mode is available only for the PIC18F85J90 and PIC18F87J90 families of
devices and uses the on-board charge pump and LCD voltage regulator. The
LCD module is configured in Charge Pump mode and software contrast is
achieved by either pressing S3 to increase the contrast or S4 to decrease the
contrast until the mode is exited by pressing either the S1 or S2 switch. By exiting
this mode, the Voltmeter mode is entered and retains the contrast level.
Note 1:
? 2010 Microchip Technology Inc.
For low-power battery operation in JP17, remove jumper on V CC and I/O
and connect I/O and RB0.
DS51662C-page 17
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| MA180023 | 功能描述:子卡和OEM板 PIC18F46J11 PIM RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| MA180024 | 功能描述:子卡和OEM板 PIC18F46J50 FS USB PIM DEMO BOARD RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| MA180025 | 功能描述:子卡和OEM板 PIM for PIC18F87J90 w/ Cap Touch buttons RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| MA180026 | 功能描述:子卡和OEM板 PIC18F45K20 44P TQFP to 84P PIM RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| MA180027 | 功能描述:子卡和OEM板 PIC18F87K90 PIM w/ Cap Touch RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
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